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Side by Side Diff: src/pdf/SkPDFResourceDict.cpp

Issue 19954011: Fix Clang build on SkPDFResourceDict (CL 18977002) (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Fix style Created 7 years, 4 months ago
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1 /*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "SkPDFResourceDict.h"
9 #include "SkPostConfig.h"
10
11 SK_DEFINE_INST_COUNT(SkPDFResourceDict)
12
13 // Sanity check that the values of enum SkPDFResourceType correspond to the
14 // expected values as defined in the arrays below.
15 // If these are failing, you may need to update the resource_type_prefixes
16 // and resource_type_names arrays below.
17 SK_COMPILE_ASSERT(SkPDFResourceDict::kExtGState_ResourceType == 0,
18 resource_type_mismatch);
19 SK_COMPILE_ASSERT(SkPDFResourceDict::kPattern_ResourceType == 1,
20 resource_type_mismatch);
21 SK_COMPILE_ASSERT(SkPDFResourceDict::kXObject_ResourceType == 2,
22 resource_type_mismatch);
23 SK_COMPILE_ASSERT(SkPDFResourceDict::kFont_ResourceType == 3,
24 resource_type_mismatch);
25
26 static const char resource_type_prefixes[] = {
27 'G',
28 'P',
29 'X',
30 'F'
31 };
32
33 static const char* resource_type_names[] = {
34 "ExtGState",
35 "Pattern",
36 "XObject",
37 "Font"
38 };
39
40 static char get_resource_type_prefix(
41 SkPDFResourceDict::SkPDFResourceType type) {
42 SkASSERT(type >= 0);
43 SkASSERT(type < SkPDFResourceDict::kResourceTypeCount);
44
45 return resource_type_prefixes[type];
46 }
47
48 static const char* get_resource_type_name(
49 SkPDFResourceDict::SkPDFResourceType type) {
50 SkASSERT(type >= 0);
51 SkASSERT(type < SkPDFResourceDict::kResourceTypeCount);
52
53 return resource_type_names[type];
54 }
55
56 SkPDFResourceDict::SkPDFResourceDict() : SkPDFDict() {
57 const char procs[][7] = {"PDF", "Text", "ImageB", "ImageC", "ImageI"};
58 SkPDFArray* procSets = SkNEW(SkPDFArray());
59
60 procSets->reserve(SK_ARRAY_COUNT(procs));
61 for (size_t i = 0; i < SK_ARRAY_COUNT(procs); i++) {
62 procSets->appendName(procs[i]);
63 }
64 insert("ProcSets", procSets)->unref();
65
66 // Actual sub-dicts will be lazily added later
67 fTypes.setCount(kResourceTypeCount);
68 for (size_t i=0; i < kResourceTypeCount; i++) {
69 fTypes[i] = NULL;
70 }
71 }
72
73 SkPDFObject* SkPDFResourceDict::insertResourceAsReference(
74 SkPDFResourceType type, int key, SkPDFObject* value) {
75 SkAutoTUnref<SkPDFObjRef> ref(SkNEW_ARGS(SkPDFObjRef, (value)));
76 insertResource(type, key, ref);
77 fResources.add(value);
78
79 return value;
80 }
81
82 void SkPDFResourceDict::getReferencedResources(
83 const SkTSet<SkPDFObject*>& knownResourceObjects,
84 SkTSet<SkPDFObject*>* newResourceObjects,
85 bool recursive) const {
86 // TODO: reserve not correct if we need to recursively explore.
87 newResourceObjects->setReserve(newResourceObjects->count() +
88 fResources.count());
89
90 for (int i = 0; i < fResources.count(); i++) {
91 if (!knownResourceObjects.contains(fResources[i]) &&
92 !newResourceObjects->contains(fResources[i])) {
93 newResourceObjects->add(fResources[i]);
94 fResources[i]->ref();
95 if (recursive) {
96 fResources[i]->getResources(knownResourceObjects,
97 newResourceObjects);
98 }
99 }
100 }
101 }
102
103 SkString SkPDFResourceDict::getResourceName(
104 SkPDFResourceType type, int key) {
105 SkString keyString;
106 keyString.printf("%c%d", get_resource_type_prefix(type), key);
107 return keyString;
108 }
109
110 SkPDFObject* SkPDFResourceDict::insertResource(
111 SkPDFResourceType type, int key, SkPDFObject* value) {
112 SkPDFDict* typeDict = fTypes[type];
113 if (NULL == typeDict) {
114 SkAutoTUnref<SkPDFDict> newDict(SkNEW(SkPDFDict()));
115 SkPDFName* typeName = SkNEW_ARGS(
116 SkPDFName, (get_resource_type_name(type)));
117 insert(typeName, newDict); // ref counting handled here
118 fTypes[type] = newDict;
119 typeDict = newDict.get();
120 }
121
122 SkPDFName* keyName = SkNEW_ARGS(SkPDFName, (getResourceName(type, key)));
123 typeDict->insert(keyName, value);
124 return value;
125 }
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